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-rw-r--r--drivers/mtd/nand/spi/gigadevice.c6
-rw-r--r--drivers/mtd/parsers/ofpart_core.c19
2 files changed, 23 insertions, 2 deletions
diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c
index 6b043e248..9116ee7f0 100644
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -186,7 +186,7 @@ static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
{
u8 status2;
struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
- &status2);
+ spinand->scratchbuf);
int ret;
switch (status & STATUS_ECC_MASK) {
@@ -207,6 +207,7 @@ static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
* report the maximum of 4 in this case
*/
/* bits sorted this way (3...0): ECCS1,ECCS0,ECCSE1,ECCSE0 */
+ status2 = *(spinand->scratchbuf);
return ((status & STATUS_ECC_MASK) >> 2) |
((status2 & STATUS_ECC_MASK) >> 4);
@@ -228,7 +229,7 @@ static int gd5fxgq5xexxg_ecc_get_status(struct spinand_device *spinand,
{
u8 status2;
struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
- &status2);
+ spinand->scratchbuf);
int ret;
switch (status & STATUS_ECC_MASK) {
@@ -248,6 +249,7 @@ static int gd5fxgq5xexxg_ecc_get_status(struct spinand_device *spinand,
* 1 ... 4 bits are flipped (and corrected)
*/
/* bits sorted this way (1...0): ECCSE1, ECCSE0 */
+ status2 = *(spinand->scratchbuf);
return ((status2 & STATUS_ECC_MASK) >> 4) + 1;
case STATUS_ECC_UNCOR_ERROR:
diff --git a/drivers/mtd/parsers/ofpart_core.c b/drivers/mtd/parsers/ofpart_core.c
index 192190c42..e7b8e9d0a 100644
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
@@ -122,6 +122,25 @@ static int parse_fixed_partitions(struct mtd_info *master,
a_cells = of_n_addr_cells(pp);
s_cells = of_n_size_cells(pp);
+ if (!dedicated && s_cells == 0) {
+ /*
+ * This is a ugly workaround to not create
+ * regression on devices that are still creating
+ * partitions as direct children of the nand controller.
+ * This can happen in case the nand controller node has
+ * #size-cells equal to 0 and the firmware (e.g.
+ * U-Boot) just add the partitions there assuming
+ * 32-bit addressing.
+ *
+ * If you get this warning your firmware and/or DTS
+ * should be really fixed.
+ *
+ * This is working only for devices smaller than 4GiB.
+ */
+ pr_warn("%s: ofpart partition %pOF (%pOF) #size-cells is wrongly set to <0>, assuming <1> for parsing partitions.\n",
+ master->name, pp, mtd_node);
+ s_cells = 1;
+ }
if (len / 4 != a_cells + s_cells) {
pr_debug("%s: ofpart partition %pOF (%pOF) error parsing reg property.\n",
master->name, pp,